A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 5996-00-221-7663
NSN 6240-00-985-5244
NSN 6145-00-975-4457
NSN 5930-01-397-2639
NSN 5855-00-235-2676
NSN 5895-01-422-5477
NSN 5855-01-421-1440
NSN 6130-01-101-7029
NSN 6110-01-048-2414
NSN 6135-01-362-4256
NSN 5905-01-357-5779
NSN 5930-01-238-7807